Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
dinh sach » sinh sach, tinh sach, chinh sach
trinh qua » trinh quan, trinh cua, trinh quang
bang cong » dang cong, bang song, hang cong
xuat phan » thuat phan, xuat nhap, luan phan
hoc dinh » hoc sinh, hoc kinh, hoc danh
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dinh sach - hanh trinh qua ((thanh cong) or (bang cong)) xuat phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dinh sach - hanh trinh qua ((thanh cong) OR (bang cong)) xuat phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc dinh sach - hanh trinh qua ((thanh cong) or (bang cong)) xuat phan cau*.